March weather forecast
Sweet Grass, MT

Share

Weather in March

March, the first month of the spring in Sweet Grass, is a cold month, with an average temperature fluctuating between 39°F (3.9°C) and 24.8°F (-4°C).

Temperature

March brings a rise in Sweet Grass's average high-temperature, moving from a subzero cold 28.8°F (-1.8°C) in February to an icy 39°F (3.9°C). March brings with it a nighttime average temperature of 24.8°F (-4°C) in Sweet Grass.

Humidity

The average relative humidity in March in Sweet Grass, Montana, is 72%.

Rainfall

In Sweet Grass, in March, it is raining for 5.1 days, with typically 0.55" (14mm) of accumulated precipitation. In Sweet Grass, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Sweet Grass, Montana. In Sweet Grass, in March, during 7.9 snowfall days, 2.05" (52mm) of snow is typically accumulated. In Sweet Grass, Montana, during the entire year, snow falls for 54.3 days and aggregates up to 19.49" (495mm) of snow.

Daylight

In March, the average length of the day in Sweet Grass, Montana, is 11h and 56min.
On the first day of the month, sunrise is at 7:08 am and sunset at 6:12 pm MST. On the last day of March, in Sweet Grass, sunrise is at 7:05 am and sunset at 7:58 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

In Sweet Grass, the average sunshine in March is 7.6h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In March, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
[Resources]

Frequently asked questions

How cold does it get in Sweet Grass in March?

The average high-temperature and low-temperature in Sweet Grass during March are 39°F (3.9°C) and 24.8°F (-4°C) respectively.

What is the average humidity in March in Sweet Grass?

The average relative humidity in March in Sweet Grass is 72%.

How many days does it rain in March in Sweet Grass?

In Sweet Grass, Montana, in March, it is raining for 5.1 days, with typically 0.55" (14mm) of accumulated precipitation.

How many days does it snow in March in Sweet Grass?

In Sweet Grass, during March, snow falls for 7.9 days and regularly aggregates up to 2.05" (52mm) of snow.

What is the average length of the day in March in Sweet Grass?

In Sweet Grass, Montana, the average day length in March is 11h and 56min.

What time are sunrise and sunset in March in Sweet Grass?

In March, on the first day of the month, sunrise is at 7:08 am and sunset at 6:12 pm MST. On the last day of the month, sunrise is at 7:05 am and sunset at 7:58 pm MDT.

When does Daylight Saving Time (DST) start in March in Sweet Grass?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sweet Grass, Montana, and the time zone changes from MST to MDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Sweet Grass?

In March, the average sunshine duration in Sweet Grass is 7.6h.

When is the lowest UV index in Sweet Grass?

The months with the lowest UV index in Sweet Grass, Montana, are January through March, October through December, with an average maximum UV index of 2.

What is the UV index intensity in March in Sweet Grass?

In Sweet Grass, Montana, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Sweet Grass, MT

Average temperature in March - Sweet Grass, MT
  • Average high temperature in March: 39°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).

  • Average low temperature in March: 24.8°F

The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).

[Resources]

Average pressure in March
Sweet Grass, MT

Average pressure in March - Sweet Grass, MT
  • Average pressure in March: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

[Resources]

Average wind speed in March
Sweet Grass, MT

Average wind speed in March - Sweet Grass, MT
  • Average wind speed in March: 10.6mph

The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).

[Resources]

Average humidity in March
Sweet Grass, MT

Average humidity in March - Sweet Grass, MT
  • Average humidity in March: 72%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

[Resources]

Average rainfall in March
Sweet Grass, MT

Average rainfall in March - Sweet Grass, MT
  • Average rainfall in March: 0.55"

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").

[Resources]

Average rainfall days in March
Sweet Grass, MT

Average rainfall days in March - Sweet Grass, MT
  • Average rainfall days in March: 5.1 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

[Resources]

Average snowfall in March
Sweet Grass, MT

Average snowfall in March - Sweet Grass, MT
  • Average snowfall in March: 2.05"

The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in March
Sweet Grass, MT

Average snowfall days in March - Sweet Grass, MT
  • Average snowfall days in March: 7.9 days

The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in March /
Average sunshine in March
Sweet Grass, MT

Average daylight in March / Average sunshine in March - Sweet Grass, MT
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in March: 7h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in March
Sweet Grass, MT

Average sunshine days in March - Sweet Grass, MT
  • Average sunshine days in March: 19.5 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

[Resources]

Average UV index in March
Sweet Grass, MT

Average UV index in March - Sweet Grass, MT
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in March
Sweet Grass, MT

Average cloud cover in March - Sweet Grass, MT
  • Average cloud cover in March: 39

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

[Resources]

Average visibility in March
Sweet Grass, MT

Average visibility in March - Sweet Grass, MT
  • Average visibility in March: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

[Resources]

Sweet Grass, Montana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location